vitamin b12 oral vs injection Are Shots Right for You? Vitamin B12 Injections vs. Oral

synthesized by certain bacteria Although the intestinal flora of humans is able to synthesize vitamin B 12 , humans are not able to absorb bacteria-generated vitamin B 12 since the location of synthesis (the colon) is too distal from the location of absorption (the small intestine)

Are there any side effects to B12 shots

In case of accidental ingestion, seek professional assistance or consult a poison control center immediately

It is always a good idea to ask your provider what type of Vitamin B12 they carry

In contrast, intramuscular injections allow for nearly 100% absorption, making them a more reliable option for many people